| Strain | Pseudomonas stutzeri RCH2 |
| GI | 431927949 |
| Locus Tag | Psest_2849 |
| Description | formate hydrogenlyase subunit 3/multisubunit Na+/H+ antiporter, MnhD subunit |
| Strain | Pseudomonas resinovorans NBRC 106553 |
| GI | 512617259 |
| Locus Tag | PCA10_16060 |
| Description | Na(+)/H(+) antiporter subunit D |
| Strain | Hahella chejuensis KCTC 2396 |
| GI | 83643687 |
| Locus Tag | HCH_00802 |
| Description | putative monovalent cation/H+ antiporter subunit D |